<ul class="nav nav-tabs">
<li <?php if (get ( 'a' ) == 'default'): ?>class="active"<?php endif; ?>><a href="<?php echo $this->_var['appadmin']; ?>?m=product">产品管理</a></li>
 <li <?php if (get ( 'a' ) == 'add'): ?>class="active"<?php endif; ?>><a href="<?php echo $this->_var['appadmin']; ?>?m=product&a=add">产品添加</a></li>
</ul>